Sitecore Content Marketing Platform (CMP) connector installed on top of Sitecore XP instance might not be compatible with other installed modules, for example, Salesforce Marketing Cloud Connector (SFMC Connect) or Sitecore Publishing Service (SPS), because they are using different versions of Polly.dll. For example, SPS uses the Polly.dll 5.9.0 release, which does not have a publicKeyToken, and CMP uses Polly.dll 6.0.1 release with the publicKeyToken (c8a3ffc3f8f825cc). As a result, assembly binding redirects fail with the following error: